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git pack-objects run amok
- From: Christopher Faylor <cgf-use-the-mailinglist-please at sourceware dot org>
- To: overseers at gcc dot gnu dot org
- Date: Mon, 27 Feb 2012 01:03:07 -0500
- Subject: git pack-objects run amok
The load average on gcc.gnu.org was in the 300-400 range for a while
tonight. The culprit was apparently due to a lot of these:
git pack-objects --revs --thin --stdout --delta-base-offset
I renamed /usr/local/bin/git to /usr/local/bin/git-saf and killed a
bunch of these to get the load average down so that I could do
something. Then, eventually, I just killed the rest with 'SIGHUP'.
Looking at the logs, it looks like we had at least two git abusers:
760 130.161.158.181
303 195.113.20.142
So I blocked them via iptables. When i renamed git back we started
to get flooded again from 169.237.4.230 so I blocked them too.
I have no idea what the fallout from this is going to be but I'll
leave that to the morning shift. I have to be at the airport at
7AM and it's 1AM here so I can't do much more tonight.
cgf